首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
CIRCUITO CONFERENZA A 3 INGRESSI, PARTICOLARMENTE PER L'IMPIEGO IN UNA CENTRALE TELEFONICA PRIVATA.
摘要
申请公布号
IT7830421(D0)
申请公布日期
1978.12.01
申请号
IT19780030421
申请日期
1978.12.01
申请人
GTE AUTOMATIC ELECTRIC LABORATORIES INCORPORATED
发明人
分类号
H04M3/56;(IPC1-7):H04M/
主分类号
H04M3/56
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Exzenterzahnschaltwerk fuer den Vorschub von streifenfoermigen Datentraegern
DOOR KNOB AND METHOD OF MAKING THE SAME
HOLDER FOR A DISPOSABLE BEVERAGE CONTAINER
SOLENOID VALVES
FLUID LINE COUPLING WITH CHECK VALVE OPENER
LEVELING MOUNTING
BAND WIDTH CONTROLLER
DEVICE FOR ORIENTING EGGS AND BRINGING THEM WITH THE NARROW END DOWNWARDS INTO TRANSPORT MEANS HAVING RECEIVING POCKETS
DISC BRAKE COOLING
SPRING LOADED ADAPTER FOR DRILL RODS AND CORE BARREL
IMPLEMENT DRAWBAR ASSEMBLY
METHOD OF CONSOLIDATING AN UNCONSOLIDATED SAND
FLASK-CHARGING APPARATUS
COMMON BEARING MEANS FOR LOAD SHAFT AND ROTARY VALVE IN FLUID PRESSURE DEVICE
PRESSURE CONTROL APPARATUS
DEVICES TO APPLY TENSION IN A CABLE, CHAIN OR ROPE
VIBRATION ISOLATION SYSTEM USING COMPRESSION SPRINGS
VIBRATORY POWER-DRIVEN CONVEYOR
OPERATING STRUCTURE FOR A TWO-WAY SINGLE HANDLE MIXING FAUCET
MACHINE POSITIONING MEANS
